diff options
Diffstat (limited to 'contrib/llvm-project/llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp')
| -rw-r--r-- | contrib/llvm-project/llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp b/contrib/llvm-project/llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp index eef6ae677ac8..db949f3476e2 100644 --- a/contrib/llvm-project/llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp +++ b/contrib/llvm-project/llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp @@ -3721,6 +3721,10 @@ bool RISCVDAGToDAGISel::performCombineVMergeAndVOps(SDNode *N) { assert(!Mask || cast<RegisterSDNode>(Mask)->getReg() == RISCV::V0); assert(!Glue || Glue.getValueType() == MVT::Glue); + // If the EEW of True is different from vmerge's SEW, then we can't fold. + if (True.getSimpleValueType() != N->getSimpleValueType(0)) + return false; + // We require that either merge and false are the same, or that merge // is undefined. if (Merge != False && !isImplicitDef(Merge)) |